Suction tool



FIG. 1 is a front, side, and top perspective view of a suction tool of our design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines show portions of the drawings that form no part of the claimed design. 

CLAIM The ornamental design for a suction tool, as shown and described. 